Methylene green

Names
IUPAC name [7-(dimethylamino)-4-nitrophenothiazin-3-ylidene]-dimethylazanium chloride
Other names Basic Green 5; CI 52020
Identifiers
CAS Number	2679-01-8 Y
3D model (JSmol)	Interactive image
ChemSpider	68394 N
ECHA InfoCard	100.018.392
MeSH	C028673
PubChem CID	75889
UNII	F1IO2ZP7BU N
CompTox Dashboard (EPA)	DTXSID70949598
InChI InChI=1S/C16H17N4O2S.ClH/c1-18(2)10-5-6-11-14(9-10)23-16-12(17-11)7-8-13(19(3)4)15(16)20(21)22;/h5-9H,1-4H3;1H/q+1;/p-1 N Key: YYGBVRCTHASBKD-UHFFFAOYSA-M N InChI=1/C16H17N4O2S.ClH/c1-18(2)10-5-6-11-14(9-10)23-16-12(17-11)7-8-13(19(3)4)15(16)20(21)22;/h5-9H,1-4H3;1H/q+1;/p-1 Key: YYGBVRCTHASBKD-REWHXWOFAG
SMILES O=[N+](c1c([s+]c(cc(N(C)C)cc2)c2n3)c3ccc1N(C)C)[O-].[Cl-]
Properties
Chemical formula	C16H17ClN4O2S
Molar mass	364.85 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

Methylene green is a heterocyclic aromatic chemical compound similar to methylene blue. It is used as a dye.^[1] It functions as a visible light-activated photocatalyst in organic synthesis.^[2]